TY  - BOOK
AU  - SUBRAHMANYAM (N)
AU  - LAL (Brij)
TI  - Text book of optics Ed 2
U1  - 534/110 
PY  - 1967///
CY  - New Delhi
PB  - Niraj Prakashan
KW  - Text
KW  - optics
KW  - Ed
KW  - book
KW  - 2
ER  -